zhenshan.cao c2734fa55f Fix bug and enchance system
Signed-off-by: zhenshan.cao <zhenshan.cao@zilliz.com>
2021-03-22 16:36:10 +08:00

82 lines
2.2 KiB
Go

package grpcdatanodeclient
import (
"context"
"time"
otgrpc "github.com/opentracing-contrib/go-grpc"
"github.com/opentracing/opentracing-go"
"github.com/zilliztech/milvus-distributed/internal/log"
"github.com/zilliztech/milvus-distributed/internal/util/retry"
"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
"github.com/zilliztech/milvus-distributed/internal/proto/datapb"
"github.com/zilliztech/milvus-distributed/internal/proto/internalpb"
"github.com/zilliztech/milvus-distributed/internal/proto/milvuspb"
"go.uber.org/zap"
"google.golang.org/grpc"
)
type Client struct {
ctx context.Context
grpc datapb.DataNodeClient
conn *grpc.ClientConn
address string
}
func NewClient(address string) *Client {
return &Client{
address: address,
ctx: context.Background(),
}
}
func (c *Client) Init() error {
tracer := opentracing.GlobalTracer()
connectGrpcFunc := func() error {
log.Debug("DataNode connect ", zap.String("address", c.address))
conn, err := grpc.DialContext(c.ctx, c.address, grpc.WithInsecure(), grpc.WithBlock(),
grpc.WithUnaryInterceptor(
otgrpc.OpenTracingClientInterceptor(tracer)),
grpc.WithStreamInterceptor(
otgrpc.OpenTracingStreamClientInterceptor(tracer)))
if err != nil {
return err
}
c.conn = conn
return nil
}
err := retry.Retry(100000, time.Millisecond*200, connectGrpcFunc)
if err != nil {
return err
}
c.grpc = datapb.NewDataNodeClient(c.conn)
return nil
}
func (c *Client) Start() error {
return nil
}
func (c *Client) Stop() error {
return c.conn.Close()
}
func (c *Client) GetComponentStates(ctx context.Context) (*internalpb.ComponentStates, error) {
return c.grpc.GetComponentStates(ctx, &internalpb.GetComponentStatesRequest{})
}
func (c *Client) GetStatisticsChannel(ctx context.Context) (*milvuspb.StringResponse, error) {
return c.grpc.GetStatisticsChannel(ctx, &internalpb.GetStatisticsChannelRequest{})
}
func (c *Client) WatchDmChannels(ctx context.Context, req *datapb.WatchDmChannelsRequest) (*commonpb.Status, error) {
return c.grpc.WatchDmChannels(ctx, req)
}
func (c *Client) FlushSegments(ctx context.Context, req *datapb.FlushSegmentsRequest) (*commonpb.Status, error) {
return c.grpc.FlushSegments(ctx, req)
}